import java.util.Scanner;

public class J9 {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        System.out.println("请输入星期数：");
        int week= sc.nextInt();
        switch (week){
            case 1:
                System.out.println("星期一");break;
            case 2:
                System.out.println("星期二");break;
            case 3:
                System.out.println("星期三");break;
            case 4:
                System.out.println("星期四");break;
            case 5:
                System.out.println("星期五");break;
            case 6:
                System.out.println("星期六");break;
            case 7:
                System.out.println("星期日");break;
            default:
                System.out.println("输入有误");
        }
    }
}
